﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            double p, r, n, toltal;
            try
            {
                p = Single.Parse(textBox1.Text);
            }
            catch
            {
                MessageBox.Show("请输入数字");
                return;
            }
            try
            {
                r = Single.Parse(textBox2.Text);
            }
            catch
            {
                MessageBox.Show("请输入数字");
                return;
            }
            try
            {
                n = Single.Parse(textBox3.Text);
            }
            catch
            {
                MessageBox.Show("请输入数字");
                return;
            }
            toltal = p * Math.Pow(1 + r, n);
            textBox4.Text = toltal.ToString();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            textBox1.Text = "";
            textBox2.Text = "";
            textBox3.Text = "";
            textBox4.Text = "";
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void label5_Click(object sender, EventArgs e)
        {

        }
    }
}
